Carbon block has the properties of superior electric and thermal conductivity; better chemical stability; better bulk st炭块类产品具有良好的导电、导热性，较好的化学稳定性、高温体积稳定性与高温强度，广泛用于炼铁高炉、铁合金炉、电石炉、铝电解槽上作砌筑耐火材料。
Workers at Shuizuishan Tianhe Ferroalloy Company produce a silicon steel alloy in Ningxia.宁夏石嘴山天河铁合金有限公司正在生产硅钢。